#include <stdio.h>

int main()
{
    int state = 0;
    //多组输入
    while (~scanf("%d", &state))
    {
        switch (state)
        {
            case 200:
                printf("OK\n");
                break;
            case 202:
                printf("Accepted\n");
                break;
            case 400:
                printf("Bad Request\n");
                break;
            case 403:
                printf("Forbidden\n");
                break;
            case 404:
                printf("Not Found\n");
                break;
            case 500:
                printf("Internal Server Error\n");
                break;
            case 502:
                printf("Bad Gateway\n");
                break;
        }
    }

    return 0;
}